Settable compositions comprising unexpanded perlite and methods of cementing in subterranean formations
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United States of America Patent
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May 14, 2013
Grant Date -
Dec 27, 2012
app pub date -
Sep 7, 2012
filing date -
Sep 9, 2005
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Abstract
An embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising unexpanded perlite, cement kiln dust, and water; and allowing the settable composition to set. Another embodiment of the present invention comprises a method of cementing comprising: placing a settable composition into a well bore, the settable composition comprising ground unexpanded perlite, Portland cement interground with pumicite, and water; and allowing the settable composition to set. Yet another embodiment of the present invention comprises a settable composition comprising: ground unexpanded perlite; cement kiln dust; and water.
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